https://bz.apache.org/bugzilla/show_bug.cgi?id=60510
Bug ID: 60510
Summary: Apache segrafults after reload when using HTTP2
Product: Apache httpd-2
Version: 2.5-HEAD
Hardware: PC
OS: Linux
Status: NEW
Severity: blocker
Priority: P2
Component: mod_http2
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Hi,
after Apache update from 2.4.23 to 2.4.25 we suddenly got apache segfaults.
Steps to reproduce:
1. start httpd
2. GET some pages using HTTP2
3. reload apache (kill -USR1)
4. goto 2
After one iteration I got:
[Thu Dec 22 12:02:29.022628 2016] [core:notice] [pid 20447:tid 140060432906112]
AH00052: child pid 21963 exit signal Segmentation fault (11)
Backtrace:
Core was generated by `/apache/bin/httpd'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000000005890c7 in h2_beam_bucket ()
(gdb) bt
#0 0x00000000005890c7 in h2_beam_bucket ()
#1 0x000000000058b008 in h2_beam_receive ()
#2 0x000000000057cbf0 in fill_buffer ()
#3 0x000000000057d103 in h2_stream_out_prepare ()
#4 0x000000000057576b in on_stream_resume ()
#5 0x0000000000566c7b in h2_mplx_dispatch_master_events ()
#6 0x0000000000578e43 in h2_session_process ()
#7 0x000000000055af91 in h2_conn_run ()
#8 0x000000000055f9cd in h2_h2_process_conn ()
#9 0x00000000004764d9 in ap_run_process_connection ()
#10 0x0000000000476b73 in ap_process_connection ()
#11 0x00000000005c9808 in process_socket ()
#12 0x00000000005ca632 in worker_thread ()
#13 0x00007f07fb9338de in ?? ()
#14 0x0000000000000000 in ?? ()
After two iterations I got:
[Thu Dec 22 12:03:10.191242 2016] [mpm_worker:notice] [pid 20447:tid
140060432906112] AH00297: SIGUSR1 received. Doing graceful restart
[Thu Dec 22 12:03:10.192828 2016] [core:notice] [pid 20447] AH00060: seg fault
or similar nasty error detected in the parent process
Backtrace:
Core was generated by `/apache/bin/httpd'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000000000589079 in h2_register_bucket_beamer ()
(gdb) bt
#0 0x0000000000589079 in h2_register_bucket_beamer ()
#1 0x000000000055ea67 in h2_h2_register_hooks ()
#2 0x000000000055896a in h2_hooks ()
#3 0x0000000000468b08 in ap_register_hooks ()
#4 0x00000000004373ac in main ()
Other SW: debian oldstable, nghttp2-1.17.0
Does anybody has same problem?
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